Less than 24 hours until what promises to be the most watched news event of 2018. A look at all the key details of the big day ahead. Number of guests and who we can expect, and why this is not a State occasion. Key locations and timings, and why Windsor over other Royal residences. A classic build up to the day ahead.

Prince Harry and Meghan Markle's wedding is estimated to cost nearly $50 million, and the core costs will fall on the Queen. Can she afford it? We take a look at how wealthy the Queen is — what exactly she owns and what belongs to the State.